Publications by Steve Hoffman
14March2023_supplemental
14 March 2023 supplemental Hoffman NAEP Grade 8 Math since 2002 Gains in NAEP average 8th grade math 2003 - 2019 Group 2003 2019 gain Asian 291 310 19 Black 252 260 8 Hispanic 259 268 9 White 288 292 4 All 278 282 4 Gains in NAEP percent proficient or advanced (2003 - 2019) Group Increase %Basic Increase %Proficient Asian 8 19 Black 8...
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DAM2 Spring 23
DAM2_Assignment_Spr23 Author Hoffman Purpose of the Data-Analytic Memo Here we continue analyses on behalf of a trio of 3rd-grade teachers at Lindquist Elementary School in Hometown, USA. Ms. Affolter, Mr. Miller-Lane, and Ms. Weston each have 21 students assigned to their classrooms, and they plan their instruction together often. In additi...
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DAM 1
DAM1_Spring23 Author Steve Hoffman Purpose of the Data-Analytic Memo Here you will conduct analyses on behalf of a trio of 3rd-grade teachers at Lindquist Elementary School in Hometown, USA. The Principal of the school has requested your assistance in helping these teachers analyze some of their preliminary in-house assessments. Ms. Affolter, ...
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RDS Chapter 2
RDS Chapter 2 Hoffman R for Data Science Ch2 This presentation corresponds to Chapter 2: Data visualization https://r4ds.hadley.nz/data-visualize.html Prerequsites Chapter 2 of RDS focuses on ggplot2, one of the core members of the tidyverse. To access the datasets for the first time on your computer, type (in your console) install.packages(“...
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Thorndike_23_28
Thorndike Pages 23 - 28 Steve Hoffman Quarto From the documentation about this method of producing documents and slide decks using R and RStudio: This is a Quarto presentation (the replacement/enhancement of RMarkdown). Quarto enables you to weave together content and executable code into a finished presentation. To learn more about Quarto prese...
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R for Data Science Chapter 3
R for Data Science Chapter 3 Steve Hoffman R for Data Science Chapter 3 From the documentation about this method of producing documents and slide decks using R and RStudio: This is a Quarto presentation (the replacement/enhancement of RMarkdown). Quarto enables you to weave together content and executable code into a finished presentation. To le...
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Thorndike_29_39
Thorndike_29_39 Make figures replicating Thorndike pp. 28 - 39 ## CLEAR WORKSPACE #### rm(list=ls()) ## LOAD PACKAGES #### library(tidyverse) ## READ IN DATA #### # read data from your own computer Table.2.1 <- read_csv(file = "Table.2.1_clean.csv") Table. 2.1 Table.2.1 # A tibble: 52 × 7 First Last Gender Class Reading Spel...
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DAM 1
Purpose of the Data-Analytic Memo Here you will conduct analyses on behalf of a trio of 3rd-grade teachers at Lindquist Elementary School in Hometown, USA. The Principal of the school has requested your assistance in helping these teachers analyze some of their preliminary in-house assessments. Ms. Atwell, Ms. Barnes, and Mr. Campbell each hav...
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Thorndike_39_53
Center, Shape & Spread Steve Hoffman Center, Shape, & Spread Measurement and Evaluation in Psychology and Education 8th Edition (2010) Robert M. Thorndike & Tracy Thorndike-Christ Pages 39 - 57 SETUP library(tidyverse) # READ IN DATA Table.2.1 <- read_csv(file = "Table.2.1_clean.csv") Table.2.1 # A tibble: 52 × 7 First Last Gen...
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Slides Oct 4
2022-10-04 knitr::opts_chunk$set( echo = TRUE ) LOAD PACKAGES library(tidyverse) ## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ── ## ✔ ggplot2 3.3.6 ✔ purrr 0.3.4 ## ✔ tibble 3.1.8 ✔ dplyr 1.0.9 ## ✔...
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